ubi deadlock on .36+

[Grazvydas Ignotas]

On Thu, Nov 4, 2010 at 9:29 AM, Artem Bityutskiy <dedekind1 at gmail.com> wrote:
> On Wed, 2010-11-03 at 23:30 +0200, Grazvydas Ignotas wrote:
>> Hi,
>>
>> there seems to be some issue with NAND on my OMAP3 board that causes
>> CRC errors on 2.6.36 and 2.6.37-rc1. Those seem to be triggering a bug
>> in UBI that makes it loop forever (or very long) printing this:
>>
>> uncorrectable error :
>> UBI error: ubi_io_read: error -74 (ECC error) while reading 512 bytes
>> from PEB 0:512, read 512 bytes
>> uncorrectable error :
>> UBI error: ubi_io_read: error -74 (ECC error) while reading 512 bytes
>> from PEB 68:512, read 512 bytes
>> UBI: run torture test for PEB 68
>> UBI: PEB 68 passed torture test, do not mark it a bad
>>
>>
>> here is full log of one minute session, after which I killed power:
>> http://notaz.gp2x.de/misc/pnd/logs/linux_20101103_ubi_lockup
>
> Hmm, could you please enable UBI debugging and provide me the logs? See
> here for some hints:
> http://www.linux-mtd.infradead.org/doc/ubi.html#L_how_send_bugreport

done:
http://notaz.gp2x.de/misc/pnd/logs/linux_20101103_ubi_lockup2